| 1 | /*************************************************************************** | 
 
 
 
 
 | 2 | File                 : LineNumberDisplay.h | 
 
 
 
 
 | 3 | Project              : QtiPlot | 
 
 
 
 
 | 4 | -------------------------------------------------------------------- | 
 
 
 
 
 | 5 | Copyright            : (C) 2008 by Ion Vasilief | 
 
 
 
 
 | 6 | Email (use @ for *)  : ion_vasilief*yahoo.fr | 
 
 
 
 
 | 7 | Description          : A widget displaying line numbers for a QTextEdit | 
 
 
 
 
 | 8 |  | 
 
 
 
 
 | 9 | ***************************************************************************/ | 
 
 
 
 
 | 10 |  | 
 
 
 
 
 | 11 | /*************************************************************************** | 
 
 
 
 
 | 12 | *                                                                         * | 
 
 
 
 
 | 13 | *  This program is free software; you can redistribute it and/or modify   * | 
 
 
 
 
 | 14 | *  it under the terms of the GNU General Public License as published by   * | 
 
 
 
 
 | 15 | *  the Free Software Foundation; either version 2 of the License, or      * | 
 
 
 
 
 | 16 | *  (at your option) any later version.                                    * | 
 
 
 
 
 | 17 | *                                                                         * | 
 
 
 
 
 | 18 | *  This program is distributed in the hope that it will be useful,        * | 
 
 
 
 
 | 19 | *  but WITHOUT ANY WARRANTY; without even the implied warranty of         * | 
 
 
 
 
 | 20 | *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          * | 
 
 
 
 
 | 21 | *  GNU General Public License for more details.                           * | 
 
 
 
 
 | 22 | *                                                                         * | 
 
 
 
 
 | 23 | *   You should have received a copy of the GNU General Public License     * | 
 
 
 
 
 | 24 | *   along with this program; if not, write to the Free Software           * | 
 
 
 
 
 | 25 | *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    * | 
 
 
 
 
 | 26 | *   Boston, MA  02110-1301  USA                                           * | 
 
 
 
 
 | 27 | *                                                                         * | 
 
 
 
 
 | 28 | ***************************************************************************/ | 
 
 
 
 
 | 29 | #ifndef LineNumberDisplay_H | 
 
 
 
 
 | 30 | #define LineNumberDisplay_H | 
 
 
 
 
 | 31 |  | 
 
 
 
 
 | 32 | #include <QTextEdit> | 
 
 
 
 
 | 33 | #include <QTextBlock> | 
 
 
 
 
 | 34 |  | 
 
 
 
 
 | 35 | //! A QTextEdit displaying line numbers. | 
 
 
 
 
 | 36 | /** | 
 
 
 
 
 | 37 | * It must be used in connection with another "source" QTextEdit. | 
 
 
 
 
 | 38 | */ | 
 
 
 
 
 | 39 | class LineNumberDisplay: public QTextEdit | 
 
 
 
 
 | 40 | { | 
 
 
 
 
 | 41 | Q_OBJECT | 
 
 
 
 
 | 42 |  | 
 
 
 
 
 | 43 | public: | 
 
 
 
 
 | 44 | //! Constructor | 
 
 
 
 
 | 45 | /** | 
 
 
 
 
 | 46 | * \param te the "source" QTextEdit for which we want to display the line numbers | 
 
 
 
 
 | 47 | * \param parent parent widget (only affects placement of the dialog) | 
 
 
 
 
 | 48 | */ | 
 
 
 
 
 | 49 | LineNumberDisplay(QTextEdit *te, QWidget *parent = 0); | 
 
 
 
 
 | 50 |  | 
 
 
 
 
 | 51 | public slots: | 
 
 
 
 
 | 52 | void updateLineNumbers(bool force = false); | 
 
 
 
 
 | 53 | void updateDocumentSelection(); | 
 
 
 
 
 | 54 |  | 
 
 
 
 
 | 55 | private slots: | 
 
 
 
 
 | 56 | void changeCharFormat (const QTextCharFormat &); | 
 
 
 
 
 | 57 |  | 
 
 
 
 
 | 58 | private: | 
 
 
 
 
 | 59 | void showEvent(QShowEvent *); | 
 
 
 
 
 | 60 | QTextEdit *d_text_edit; | 
 
 
 
 
 | 61 | }; | 
 
 
 
 
 | 62 | #endif |